Kulnathon P. Humanities and Social Sciences Journal of Pibulsongkram Rajabhat University. Humanities and Social Sciences Journal of Pibulsongkram Rajabhat University [internet]. 2021 Jun. 19 [cited 2026 Sep. 11];15(2). available from: https://so01.tci-thaijo.org/index.php/GraduatePSRU/article/view/248459